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EP1536494A3 - Organic light emitting display - Google Patents

Organic light emitting display Download PDF

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Publication number
EP1536494A3
EP1536494A3 EP04090465A EP04090465A EP1536494A3 EP 1536494 A3 EP1536494 A3 EP 1536494A3 EP 04090465 A EP04090465 A EP 04090465A EP 04090465 A EP04090465 A EP 04090465A EP 1536494 A3 EP1536494 A3 EP 1536494A3
Authority
EP
European Patent Office
Prior art keywords
light emitting
emitting display
organic light
lower electrode
thin film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04090465A
Other languages
German (de)
French (fr)
Other versions
EP1536494B1 (en
EP1536494A2 (en
Inventor
Mu-Hyun Kim
Myung-Won Song
Tae-Min Kang
Seong-Taek Lee
Yu-Sung Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Display Co Ltd
Original Assignee
Samsung SDI Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung SDI Co Ltd filed Critical Samsung SDI Co Ltd
Priority to EP08151027A priority Critical patent/EP1919007B1/en
Publication of EP1536494A2 publication Critical patent/EP1536494A2/en
Publication of EP1536494A3 publication Critical patent/EP1536494A3/en
Application granted granted Critical
Publication of EP1536494B1 publication Critical patent/EP1536494B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/451—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs characterised by the compositions or shapes of the interlayer dielectrics
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
    • H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
    • H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/81—Anodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/805—Electrodes
    • H10K50/82—Cathodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/122—Pixel-defining structures or layers, e.g. banks
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/124—Insulating layers formed between TFT elements and OLED elements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3026—Top emission
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/302—Details of OLEDs of OLED structures
    • H10K2102/3023—Direction of light emission
    • H10K2102/3031—Two-side emission, e.g. transparent OLEDs [TOLED]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/351—Thickness
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8051—Anodes
    • H10K59/80515—Anodes characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/805—Electrodes
    • H10K59/8052—Cathodes
    • H10K59/80521—Cathodes characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/18—Deposition of organic active material using non-liquid printing techniques, e.g. thermal transfer printing from a donor sheet

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

An organic light emitting display which is constructed with a TFT substrate having an insulating substrate and a TFT that has at least a source electrode and a drain electrode, a lower electrode formed on the TFT substrate and connected to one of source/drain electrodes, an insulating layer having an opening that exposes a portion of the lower electrode, an organic thin film layer formed on the exposed portion of the lower electrode and the insulating layer, and an upper electrode formed on the organic thin film layer, wherein the insulating layer has a taper angle less than 40° at an edge of the opening, and a step less than or equal to 3,000Å is formed between the lower electrode and the organic thin film layer. The organic light emitting display can prevent device failure.
EP04090465A 2003-11-29 2004-11-25 Organic light emitting display Expired - Lifetime EP1536494B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08151027A EP1919007B1 (en) 2003-11-29 2004-11-25 Organic light emitting display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2003087789 2003-11-29
KR1020030087789A KR100611159B1 (en) 2003-11-29 2003-11-29 Organic light emitting display device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP08151027A Division EP1919007B1 (en) 2003-11-29 2004-11-25 Organic light emitting display

Publications (3)

Publication Number Publication Date
EP1536494A2 EP1536494A2 (en) 2005-06-01
EP1536494A3 true EP1536494A3 (en) 2005-10-12
EP1536494B1 EP1536494B1 (en) 2010-01-13

Family

ID=34464806

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04090465A Expired - Lifetime EP1536494B1 (en) 2003-11-29 2004-11-25 Organic light emitting display
EP08151027A Expired - Lifetime EP1919007B1 (en) 2003-11-29 2004-11-25 Organic light emitting display

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08151027A Expired - Lifetime EP1919007B1 (en) 2003-11-29 2004-11-25 Organic light emitting display

Country Status (6)

Country Link
US (1) US7501756B2 (en)
EP (2) EP1536494B1 (en)
JP (2) JP2005165324A (en)
KR (1) KR100611159B1 (en)
CN (2) CN101221977B (en)
DE (1) DE602004025078D1 (en)

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US8278818B2 (en) * 2004-06-04 2012-10-02 Samsung Mobile Display Co., Ltd. Electroluminescent display device and method of fabricating the same
US7753751B2 (en) 2004-09-29 2010-07-13 Semiconductor Energy Laboratory Co., Ltd. Method of fabricating the display device
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KR100713994B1 (en) * 2005-09-13 2007-05-04 삼성에스디아이 주식회사 Laser thermal transfer apparatus and laser thermal transfer method using the apparatus
KR100745332B1 (en) * 2005-09-28 2007-08-02 삼성에스디아이 주식회사 OLED display device and manufacturing method thereof
TWI460851B (en) 2005-10-17 2014-11-11 Semiconductor Energy Lab Semiconductor device and method of manufacturing same
KR100768191B1 (en) * 2005-11-12 2007-10-17 삼성에스디아이 주식회사 Method for manufacturing organic light emitting display and organic light emitting display
KR100721951B1 (en) 2005-11-16 2007-05-25 삼성에스디아이 주식회사 Organic light emitting display device having a foreign material trap structure and manufacturing method thereof
KR20070053060A (en) 2005-11-19 2007-05-23 삼성전자주식회사 Display device and manufacturing method thereof
KR100709196B1 (en) * 2005-11-22 2007-04-18 삼성에스디아이 주식회사 OLED display and manufacturing method thereof
JP4438782B2 (en) 2006-08-23 2010-03-24 ソニー株式会社 Display device manufacturing method and display device
TWI340467B (en) * 2007-03-21 2011-04-11 Au Optronics Corp Active matrix organic electroluminescent substrate and method of making the same
KR100900444B1 (en) * 2007-06-27 2009-06-02 엘지전자 주식회사 Organic electroluminescence display device and manufacturing method thereof
US8610155B2 (en) 2008-11-18 2013-12-17 Semiconductor Energy Laboratory Co., Ltd. Light-emitting device, method for manufacturing the same, and cellular phone
US20110220909A1 (en) * 2008-12-05 2011-09-15 E.I. Du Pont De Nemours And Company Backplane structures for solution processed electronic devices
US20110227075A1 (en) * 2008-12-05 2011-09-22 Dupont Displays, Inc. Backplane structures for solution processed electronic devices
JP2010249935A (en) 2009-04-13 2010-11-04 Sony Corp Display device
WO2011048838A1 (en) * 2009-10-20 2011-04-28 シャープ株式会社 Active matrix substrate and organic el display device
KR101084263B1 (en) * 2009-12-14 2011-11-16 삼성모바일디스플레이주식회사 Organic light emitting display
KR101084193B1 (en) * 2010-02-16 2011-11-17 삼성모바일디스플레이주식회사 OLED display and manufacturing method thereof
KR101084198B1 (en) * 2010-02-24 2011-11-17 삼성모바일디스플레이주식회사 Organic light emitting display
KR101677265B1 (en) 2010-03-31 2016-11-18 삼성디스플레이 주식회사 Organic light emitting diode display
KR101826069B1 (en) * 2010-10-26 2018-03-23 삼성디스플레이 주식회사 Organic light emitting display device and manufacturing method thereof
JP2013211169A (en) * 2012-03-30 2013-10-10 Toppan Printing Co Ltd Organic electroluminescent display panel
KR20140118005A (en) * 2013-03-27 2014-10-08 삼성디스플레이 주식회사 Organic light emitting device display and manufacturing method thereof
CN103715228B (en) * 2013-12-26 2016-04-13 京东方科技集团股份有限公司 Array base palte and manufacture method, display unit
KR20170002842A (en) * 2015-06-30 2017-01-09 엘지디스플레이 주식회사 Organic light emitting display device
KR102510003B1 (en) * 2015-12-22 2023-03-13 엘지디스플레이 주식회사 Organic light emitting diode display apparatus
KR102752841B1 (en) * 2016-12-30 2025-01-10 엘지디스플레이 주식회사 Organic light emitting diode display and method of manufacturing the same
CN109599030B (en) * 2017-09-30 2020-12-11 昆山国显光电有限公司 Display screen and electronic product
KR102394408B1 (en) * 2017-11-30 2022-05-03 엘지디스플레이 주식회사 Electroluminescent Display Device
CN108400146B (en) * 2018-01-31 2020-08-04 上海天马微电子有限公司 An organic light-emitting display panel and display device
CN112670309B (en) * 2020-01-14 2023-06-27 友达光电股份有限公司 Display panel
KR20220087905A (en) * 2020-12-18 2022-06-27 엘지디스플레이 주식회사 Organic light emitting pannel and including organic light emitting display
CN113571587B (en) * 2021-07-14 2023-12-01 深圳市华星光电半导体显示技术有限公司 Array substrate, display panel and manufacturing method of array substrate
CN113671758A (en) * 2021-08-09 2021-11-19 Tcl华星光电技术有限公司 Display panel and manufacturing method thereof

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Also Published As

Publication number Publication date
US7501756B2 (en) 2009-03-10
KR100611159B1 (en) 2006-08-09
EP1536494B1 (en) 2010-01-13
CN100448055C (en) 2008-12-31
EP1536494A2 (en) 2005-06-01
JP2008047540A (en) 2008-02-28
EP1919007B1 (en) 2012-06-20
DE602004025078D1 (en) 2010-03-04
CN1622708A (en) 2005-06-01
JP2005165324A (en) 2005-06-23
CN101221977A (en) 2008-07-16
KR20050052301A (en) 2005-06-02
EP1919007A3 (en) 2008-06-25
EP1919007A2 (en) 2008-05-07
US20050116631A1 (en) 2005-06-02
CN101221977B (en) 2010-06-02

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